#include <FastLED.h>
#define DATA_PIN     2
#define NUM_LEDS    50
#define MAX_BRIGHTNESS 255
#define BRIGHTNESS  255  
#define LED_TYPE    WS2811

CRGB leds[NUM_LEDS];

void setup()     {
  Serial.begin(9600);
  FastLED.addLeds<LED_TYPE, DATA_PIN, RGB>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
  FastLED.setBrightness(BRIGHTNESS);
}

//Perimeter
int entireP[26] ={23,22,21,11,10,4,3,1,2,6,7,15,16,27,28,40,41,47,48,49,43,44,36,35,31,30};
//at 23 (start up right) and 27 (start left on left perimeter) are points of change

//Heartcontents
// right half from 1 to 27
//left half from 23 to 49
int full[49]={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49}

CRGB black = CRGB::Black;
CRGB red = CRGB::Red;
CRGB pink = CRGB::Pink;
CRGB blue = CRGB::LightBlue;
CRGB yellow = CRGB::LightYellow;
CRGB white = CRGB::White;

void loop() {
  // consec_set();
  full_flash();
  onebyone_add();
  multidown_set();
  fade_three();
  onecolor_flash();
  colorhue();
}


// flashes every led in a set one color
void full_flash(int sec[], int from, int to, CRGB color, int dly) {
  for ( int x = 0; int x = from; x <= to; x++) {
    leds[sec[x+1]]=color;
  }
  FastLED.delay(dly);
}

//loops through each light in an array one by one
void onebyone_add(int sec[], int from, int to){
  for ( int x = 0; int x = from; x <= to; x++ ) {
    leds[x] = CRGB::White;
  }
  FastLED.show();
}

//multiple colors down a set
void multidown_set(int sec[], CRGB color1, CRGB color2, int dly) {
  for (int x = 0; x < sizeof(sec[x]); x++) {
    leds[sec[x]] = color1;
    FastLED.delay(dly);
    leds[sec[x+1]] = color2;
  }
}


//fullheart fades trhough 
void fade_three(int sec[], int from, int to, color1,color2,color3) {
  int hue[3]= {color1,color2,color3}; 
  for (int c = 0; c < 3; c++) { 
    for (int v = 255; v >= 5; v=v-5) { 
      for (int x = 0; int x = from; x <= to; x++) {
        leds[sec[x]] = CHSV(hue[c], 255, v);
      }
      FastLED.delay(30); 
    }
  }
}


//lights up one color
void one_colorflash() {
  int x = NUM_LEDS;
  while(x > 0){
    leds[x]=CRGB::Black;
    x = x-1;
  }
  for ( int x = 0; x < NUM_LEDS; x++) {
    leds[x]= CRGB::Green;
    leds[x-1]=CRGB::Black;
    FastLED.delay(200);
  }
 
}

//fades trhough each color for all leds
void colorhue() {
  int h = 255;
  int s = 255;
  int v = 255;
  while (h>0){
    for ( int x = 0; x < NUM_LEDS; x++) {
      leds[x] = CHSV(h,s,v);
    }
    FastLED.delay(30);
    h=h-1;
  }
}


//within set, consecutive color
// void consec_set(int sec[], int from, int to, color1, color2, color3){
//   for (int k = 0; k < 3; k++) {
//     CRGB myColor;
//     switch(k) {
//       case 0:
//         myColor = c;
//         break;
//       case 1:
//         myColor = blue;
//         break;
//       case 2:
//         myColor = yellow;
//         break;
//     }
//     int x = NUM_LEDS;
//     while(x > 0){
//       leds[x]=CRGB::Black;
//       x = x-1;
//     }
//     for ( int x = 0; x < sizeof(sec[]); x++) {
//       leds[x]= myColor;
//       leds[x-1]=CRGB::Black;
//       FastLED.delay(200);
//     }
//   }
// }